Infineon BTS3134NHUMA1 Smart High-Side Power Switch: Features and Applications
The Infineon BTS3134NHUMA1 is a state-of-the-art smart high-side power switch designed to deliver robust performance and advanced protection features in a wide range of automotive and industrial applications. As part of Infineon’s PROFET™ (Protected MOSFET) family of products, this device integrates a vertical power MOSFET with intelligent control and monitoring circuitry into a single compact package, offering designers a reliable and efficient solution for switching resistive or inductive loads.
One of the standout characteristics of the BTS3134NHUMA1 is its high level of integration. The device incorporates essential protective functions such as overload protection, short-circuit protection, and over-temperature protection, significantly enhancing system reliability while reducing external component count and PCB space. Its low standby current and very low on-state resistance (typically 6.5 mΩ) contribute to high energy efficiency, making it particularly suitable for battery-powered applications.
The switch operates with a wide supply voltage range and is capable of controlling loads up to several amperes. It features a logic-level compatible control input, allowing it to be directly interfaced with microcontrollers without the need for additional driver circuits. Diagnostic functionality, including current sense feedback with a proportional output pin, enables precise load current monitoring—an essential feature for implementing advanced control strategies and fault detection mechanisms.
A key application area for the BTS3134NHUMA1 is in automotive body electronics, where it is used to drive loads such as lamps, motors, and heaters. Its ability to withstand harsh automotive environments—including load-dump and reverse-battery conditions—makes it a preferred choice for designers. Beyond automotive systems, this power switch is also widely employed in industrial automation systems, power distribution units, and various mechatronic systems requiring robust and intelligent power management.
ICGOOODFIND: The Infineon BTS3134NHUMA1 exemplifies the evolution of power switching technology, combining high efficiency, comprehensive protection, and diagnostic capabilities in a single device. Its versatility and reliability make it an ideal solution for modern automotive and industrial applications where performance and safety are paramount.
Keywords:
Smart High-Side Switch, Over-Current Protection, Load-Dump Protection, Current Sense Diagnostic, Automotive Applications
